public void TestDeleteSuccess()
{
//Arrange
Mock<AppUser> mockUser = new Mock<AppUser>();
Mock<IAdminRepository> mockRepo = new Mock<IAdminRepository>();
mockRepo.Setup(x => x.FindUser(It.IsAny<string>())).
Returns(Task.FromResult<AppUser>(mockUser.Object));
mockRepo.Setup(x => x.DeleteQuestionsAndCommentsFromUser(mockUser.Object));
mockRepo.Setup(x => x.DeleteUser(mockUser.Object)).
Returns(Task.FromResult<IdentityResult>(IdentityResult.Success));
AdminController target = new AdminController(mockRepo.Object);
//Act
Task<ActionResult> result = target.Delete("") as Task<ActionResult>;
//Assert
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result.Result, typeof(RedirectToRouteResult));
RedirectToRouteResult redirectRouteResult = result.Result as RedirectToRouteResult;
Assert.AreEqual("ManageUsers", redirectRouteResult.RouteValues["Action"]);
mockRepo.Verify(x => x.FindUser(It.IsAny<string>()), Times.Once());
mockRepo.Verify(x => x.DeleteQuestionsAndCommentsFromUser(It.IsAny<AppUser>()), Times.Once());
mockRepo.Verify(x => x.DeleteUser(It.IsAny<AppUser>()), Times.Once());
}
